From: ameerj <52414509+ame...@users.noreply.github.com>
nvdec is likely to fail when the initial pool size exceeds 32. This change
ensures we don't exceed the limit when initializing a new hw_frames_ctx
Signed-off-by: ameerj <52414509+ame...@users.noreply.github.com>
---
libavcodec/nvdec.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/libavcodec/nvdec.c b/libavcodec/nvdec.c
index 251be039a8..bef33dbae9 100644
--- a/libavcodec/nvdec.c
+++ b/libavcodec/nvdec.c
@@ -303,8 +303,10 @@ static int nvdec_init_hwframes(AVCodecContext *avctx,
AVBufferRef **out_frames_r
frames_ctx = (AVHWFramesContext*)(*out_frames_ref)->data;
if (dummy) {
- // Copied from ff_decode_get_hw_frames_ctx for compatibility
- frames_ctx->initial_pool_size += 3;
+ // The function above guarantees 1 work surface, We must guarantee 4
work surfaces.
+ // (the absolute minimum), so add the missing count without exceeding
the maximum
+ // recommended for nvdec.
+ frames_ctx->initial_pool_size = min(frames_ctx->initial_pool_size + 3,
32);
frames_ctx->free = nvdec_free_dummy;
frames_ctx->pool = av_buffer_pool_init(0, nvdec_alloc_dummy);
--
2.25.1
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
